diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_passes/src/check_attr.rs | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index d6936ae942c..920c69cb619 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -88,7 +88,7 @@ impl CheckAttrVisitor<'tcx> { } else if self.tcx.sess.check_name(attr, sym::allow_internal_unstable) { self.check_allow_internal_unstable(&attr, span, target, &attrs) } else if self.tcx.sess.check_name(attr, sym::rustc_allow_const_fn_unstable) { - self.check_rustc_allow_const_fn_unstable(&attr, span, target) + self.check_rustc_allow_const_fn_unstable(hir_id, &attr, span, target) } else { // lint-only checks if self.tcx.sess.check_name(attr, sym::cold) { @@ -798,13 +798,15 @@ impl CheckAttrVisitor<'tcx> { /// (Allows proc_macro functions) fn check_rustc_allow_const_fn_unstable( &self, + hir_id: HirId, attr: &Attribute, span: &Span, target: Target, ) -> bool { if let Target::Fn | Target::Method(_) = target { - // FIXME Check that this isn't just a function, but a const fn - return true; + if self.tcx.is_const_fn_raw(self.tcx.hir().local_def_id(hir_id)) { + return true; + } } self.tcx .sess |